Atoms And Nuclei Question 276

Question: According to Bohr’s theory, the time averaged magnetic field at the center (i.e. nucleus) of a hydrogen atom due to the motion of electrons in the nth orbit is proportional to : (n = principal quantum number)

Options:

A) n4

B) n5

C) n3

D) n2

Show Answer

Answer:

Correct Answer: D

Solution:

  • Magnetic field at the centre of nucleus of H-atom, B=μ0I2r ?.(i) According to Bohr’s model, radius of orbit rn2 eq. (i) we can also write as Bn2


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